According to the golden section rule, the face is divided into upper, middle and lower parts, each of which accounts for 1/3 of the golden section. The labial midline divides 1/3 under the face into two parts: 1: 2. The average face length 182- 186mm is divided into five equal parts according to the width of eyes. The tip of the nose, lower lip and chin are connected in a line, and the upper lip and lower lip are slightly contracted to this line.

Golden ratio face:

The golden ratio face means that the internationally recognized golden ratio defines the best distance between eyes, mouth, forehead and chin. It is the golden ratio formula calculated by the research teams in the United States and Canada at the end of 2009.

The internationally recognized golden ratio defines the best distance between eyes, mouth, forehead and chin. The proportion in Colgate is 44%; The distance between her eyes, lips, hairline and chin is 32.8%, which is close to the golden ratio.

Refer to the above? Baidu encyclopedia-golden ratio face